Android检测网络类型

Android检测网络类型

主要使用BroadcastReceiver去监听网络变化，实时发广播去通知：

首先要封装一个工具类去检测网络

public class NetWorkUtils {
 private static final int NETWORK_TYPE_UNAVAILABLE = -1;
    // private static final int NETWORK_TYPE_MOBILE = -100;
    private static final int NETWORK_TYPE_WIFI = -101;

    private static final int NETWORK_CLASS_WIFI = -101;
    private static final int NETWORK_CLASS_UNAVAILABLE = -1;
    /** Unknown network class. */
    private static final int NETWORK_CLASS_UNKNOWN = 0;
    /** Class of broadly defined "2G" networks. */
    private static final int NETWORK_CLASS_2_G = 1;
    /** Class of broadly defined "3G" networks. */
    private static final int NETWORK_CLASS_3_G = 2;
    /** Class of broadly defined "4G" networks. */
    private static final int NETWORK_CLASS_4_G = 3;


    // 适配低版本手机
    /** Network type is unknown */
    public static final int NETWORK_TYPE_UNKNOWN = 0;
    /** Current network is GPRS */
    public static final int NETWORK_TYPE_GPRS = 1;
    /** Current network is EDGE */
    public static final int NETWORK_TYPE_EDGE = 2;
    /** Current network is UMTS */
    public static final int NETWORK_TYPE_UMTS = 3;
    /** Current network is CDMA: Either IS95A or IS95B */
    public static final int NETWORK_TYPE_CDMA = 4;
    /** Current network is EVDO revision 0 */
    public static final int NETWORK_TYPE_EVDO_0 = 5;
    /** Current network is EVDO revision A */
    public static final int NETWORK_TYPE_EVDO_A = 6;
    /** Current network is 1xRTT */
    public static final int NETWORK_TYPE_1xRTT = 7;
    /** Current network is HSDPA */
    public static final int NETWORK_TYPE_HSDPA = 8;
    /** Current network is HSUPA */
    public static final int NETWORK_TYPE_HSUPA = 9;
    /** Current network is HSPA */
    public static final int NETWORK_TYPE_HSPA = 10;
    /** Current network is iDen */
    public static final int NETWORK_TYPE_IDEN = 11;
    /** Current network is EVDO revision B */
    public static final int NETWORK_TYPE_EVDO_B = 12;
    /** Current network is LTE */
    public static final int NETWORK_TYPE_LTE = 13;
    /** Current network is eHRPD */
    public static final int NETWORK_TYPE_EHRPD = 14;
    /** Current network is HSPA+ */
    public static final int NETWORK_TYPE_HSPAP = 15;

    /**
     * 获取运营商
     *
     * @return
     */
    public static String getProvider(Context context) {
        String provider = "未知";
        try {
            TelephonyManager telephonyManager = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
            String IMSI = telephonyManager.getSubscriberId();
            Log.e("tag", "getProvider.IMSI:" + IMSI);
            if (IMSI == null) {
                if (TelephonyManager.SIM_STATE_READY == telephonyManager
                        .getSimState()) {
                    String operator = telephonyManager.getSimOperator();
                    Log.e("tag", "getProvider.operator:" + operator);
                    if (operator != null) {
                        if (operator.equals("46000")
                                || operator.equals("46002")
                                || operator.equals("46007")) {
                            provider = "中国移动";
                        } else if (operator.equals("46001")) {
                            provider = "中国联通";
                        } else if (operator.equals("46003")) {
                            provider = "中国电信";
                        }
                    }
                }
            } else {
                if (IMSI.startsWith("46000") || IMSI.startsWith("46002")
                        || IMSI.startsWith("46007")) {
                    provider = "中国移动";
                } else if (IMSI.startsWith("46001")) {
                    provider = "中国联通";
                } else if (IMSI.startsWith("46003")) {
                    provider = "中国电信";
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
            Log.e("error", "getProvider: "+e.toString());
        }
        return provider;
    }

    /**
     * 获取网络类型
     *
     * @return
     */
    public static String getCurrentNetworkType(Context context) {
        int networkClass = getNetworkClass(context);
        String type = "未知";
        switch (networkClass) {
            case NETWORK_CLASS_UNAVAILABLE:
                type = "无";
                break;
            case NETWORK_CLASS_WIFI:
                type = "Wi-Fi";
                break;
            case NETWORK_CLASS_2_G:
                type = "2G";
                break;
            case NETWORK_CLASS_3_G:
                type = "3G";
                break;
            case NETWORK_CLASS_4_G:
                type = "4G";
                break;
            case NETWORK_CLASS_UNKNOWN:
                type = "未知";
                break;
        }
        return type;
    }

    private static int getNetworkClass(Context context) {
        int networkType = NETWORK_TYPE_UNKNOWN;
        try {
            final NetworkInfo network = ((ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE))
                    .getActiveNetworkInfo();
            if (network != null && network.isAvailable()
                    && network.isConnected()) {
                int type = network.getType();
                if (type == ConnectivityManager.TYPE_WIFI) {
                    networkType = NETWORK_TYPE_WIFI;
                } else if (type == ConnectivityManager.TYPE_MOBILE) {
                    TelephonyManager telephonyManager = (TelephonyManager) context
                            .getSystemService(
                                    Context.TELEPHONY_SERVICE);
                    networkType = telephonyManager.getNetworkType();
                }
            } else {
                networkType = NETWORK_TYPE_UNAVAILABLE;
            }

        } catch (Exception ex) {
            ex.printStackTrace();
        }
        return getNetworkClassByType(networkType);

    }
    private static int getNetworkClassByType(int networkType) {
        switch (networkType) {
            case NETWORK_TYPE_UNAVAILABLE:
                return NETWORK_CLASS_UNAVAILABLE;
            case NETWORK_TYPE_WIFI:
                return NETWORK_CLASS_WIFI;
            case NETWORK_TYPE_GPRS:
            case NETWORK_TYPE_EDGE:
            case NETWORK_TYPE_CDMA:
            case NETWORK_TYPE_1xRTT:
            case NETWORK_TYPE_IDEN:
                return NETWORK_CLASS_2_G;
            case NETWORK_TYPE_UMTS:
            case NETWORK_TYPE_EVDO_0:
            case NETWORK_TYPE_EVDO_A:
            case NETWORK_TYPE_HSDPA:
            case NETWORK_TYPE_HSUPA:
            case NETWORK_TYPE_HSPA:
            case NETWORK_TYPE_EVDO_B:
            case NETWORK_TYPE_EHRPD:
            case NETWORK_TYPE_HSPAP:
                return NETWORK_CLASS_3_G;
            case NETWORK_TYPE_LTE:
                return NETWORK_CLASS_4_G;
            default:
                return NETWORK_CLASS_UNKNOWN;
        }
    }

}

新建一个BroadcastReceiver去实时监听网络状态变化

public class NetWorkStatusReceiver extends BroadcastReceiver {
    @Override
    public void onReceive(Context context, Intent intent) {
        String action = intent.getAction();
        if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION)) {

            String operator = NetWorkUtils.getProvider(context);
            String netType = NetWorkUtils.getCurrentNetworkType(context);

            Toast.makeText(context, "运营商："+operator+"\n 网络状态："+netType, Toast.LENGTH_LONG).show();
        }
    }
}

当网络状态发生变化时，就可以实时监听网络状态了。